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Author Question: A reaction has H = 61.9 kJ/mol and S = 405.4 J/K. Is this reaction spontaneous or nonspontaneous? At ... (Read 123 times)

fbq8i

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on: Feb 15, 2020

Question 1

For the reaction below ΔG° = +33.0 kJ, ΔH° = +92.2 kJ, and ΔS° = +198.7 J/K. Estimate the temperature at which this reaction becomes spontaneous.

2 NH3(g) → N2(g) + 3 H2(g)


◦ 298 K
◦ 0.464 K
◦ 166 K
◦ 464 K

Question 2

A reaction has ΔH° = 61.9 kJ/mol and ΔS° = 405.4 J/K. Is this reaction spontaneous or nonspontaneous? At what temperature (if any) can the spontaneity be reversed?
◦ nonspontaneous, can be made spontaneous at 153 K
◦ spontaneous, can be made nonspontaneous at 153 K
◦ spontaneous, cannot be made nonspontaneous at any temperature
◦ nonspontaneous, cannot be made spontaneous at any temperature
Chemistry ¦ McMurry, Fay, Robinson ¦ 7th Edition
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Marked as best answer by fbq8i on Feb 15, 2020

JCABRERA33

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Reply #1 on: Feb 15, 2020
Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.
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fbq8i

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Reply 2 on: Feb 15, 2020
Wow, this really help

momolu

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Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

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